DALY CITY — An 84-year-old suspect was arrested on attempted murder charges in connection with a Wednesday shooting at a Daly City medical center, according to authorities.

Raymond Iwase was arrested at his Plymouth Circle home late Wednesday after the shooting at 1500 Southgate Ave., officials said.

A doctor at the Daly City medical offices told 911 dispatchers he saw a man in a second-floor hallway with a gun in his hand and heard a loud bang as he was making his way out of the building.

Officers and a SWAT team responded about 1:30 p.m. and found that no one had been injured by the reported gunfire. Some of the 30 people in the building were evacuated immediately while others were told to shelter-in-place and wait for police to arrive.

Bullet fragments were found in the hallway during the search, but there was no sign of the armed suspect seen by the doctor, then described as “an Asian man in his 60s,” police said.

“We believe it was fired in the direction of the doctor reporting the incident,” said Lt. David Mackriss, who added the shooter was unknown to the doctor and his motive remains unclear.

Officers descended on Iwase’s home about 9:45 p.m. after identifying him as the suspect through various witness statements, Sgt. Harold Rolfes said. The man was alone in the home, where officers say they found a handgun and ammunition. Iwase was taken into custody without incident.

Iwase was charged with attempted murder and remains in custody at San Mateo County Jail, Rolfes said. The investigation is ongoing.

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